[clang] [compiler-rt] Change compiler-rt lib search path for Hexagon-linux (PR #154530)

[Brian Cain via llvm-commits]

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@@ -594,6 +592,9 @@ void HexagonToolChain::getHexagonLibraryPaths(const ArgList &Args,
     LibPaths.push_back(LibDirCpu);
     LibPaths.push_back(LibDir);
   }
+  if (getTriple().isMusl()) {
+    LibPaths.push_back(getCompilerRTPath());
+  }
 }
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androm3da wrote:

> oh ok we can't even run clang-driver tests?

I guess we *can* but those tests are much less interesting than building the toolchain, building programs with it and running those programs.

LLVM's own CI will run the clang driver tests on this PR as-is, there's little reason to repeat them in the toolchain build/test environment.

https://github.com/llvm/llvm-project/pull/154530